WO2020105843A1 - 환자 맞춤형 깁스의 제조를 위한 3d 프린터용 광경화형 조성물 - Google Patents
환자 맞춤형 깁스의 제조를 위한 3d 프린터용 광경화형 조성물Info
- Publication number
- WO2020105843A1 WO2020105843A1 PCT/KR2019/010331 KR2019010331W WO2020105843A1 WO 2020105843 A1 WO2020105843 A1 WO 2020105843A1 KR 2019010331 W KR2019010331 W KR 2019010331W WO 2020105843 A1 WO2020105843 A1 WO 2020105843A1
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- WIPO (PCT)
- Prior art keywords
- group
- carbon atoms
- substituted
- unsubstituted
- patient
- Prior art date
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- A61F2013/00544—Plasters form or structure
- A61F2013/00553—Plasters form or structure with detachable parts
- A61F2013/00565—Plasters form or structure with detachable parts with hook and loop-type fastener connecting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00544—Plasters form or structure
- A61F2013/00621—Plasters form or structure cast
Definitions
- the present invention relates to a composition for photocuring for a 3D printer for the manufacture of a patient-specific cast, and more specifically, as a photocurable composition for a 3D printer, through 3D information on a patient's affected area, to prepare a cast suitable for the patient's affected area
- the cast may be manufactured using a photocurable composition for a 3D printer, thereby providing excellent fixation force.
- Musculoskeletal system consisting of bone, joint, muscle, tendon, ligament, cartilage, nerve, etc.
- Various diseases can be caused by various factors such as, and typical orthopedic medical products used in the treatment of diseases of the musculoskeletal system are cast and splint.
- the cast When the cast needs to fix the affected area for a certain period of time due to fracture, ligament rupture, dislocation, severe skin inflammation, etc., it is mainly shaped by using a hydrated gypsum bandage or a thermosetting synthetic resin with similar function to cover the entire patient's affected area. Do it.
- the splint acts as a splint around the affected area of the patient with sprains, dislocations, fractures, etc., and the outer circumference of the splint is wound using a separate bandage or the like to fix the affected area.
- the so-called toe cast is used for cast, and the half cast is used for splint.
- a typical conventional splint is made of a water-curable resin, roughly cut the splint before wetting it near the patient's affected area, then immerse the cut splint in water and then attach the wet splint to the patient to harden it. , A method of fixing a separate bandage on a splint was used.
- the compressive strength is too strong to cause problems such as blood circulation disorder in the patient.
- the compressive strength is too weak to cause splints.
- the patient's affected area cannot be adequately supported, causing problems to flow.
- Gypsum has been traditionally used as a cast material, and recently, a synthetic resin such as plastic is used.
- the treatment method is generally performed by applying a bandage to a patient's affected area and applying a plaster or wrapping a plastic plate. According to such a conventional method, a strong pressure may be applied to the patient's affected area more than necessary, and vice versa. There may be problems, such as inadequate fixation due to a procedure that cannot be compressed.
- the period required to treat fractures is usually 3 to 5 weeks, or more, it is exposed to the risk of various skin diseases caused by bacterial propagation because the affected area of the patient, which is compressed by cast, cannot be washed for a long period of time. Due to this, the patient complains of severe itching and is accompanied by severe odors from the cast contaminated by sweat and various foreign substances, thereby causing discomfort to the patient as well as to the people around him.
- the patient's affected area is scanned to produce patient-specific splints and casts using 3D printing technology, etc., to secure the patient's affected areas, and to adjust the fixing force of the splints and casts.
- Patent Document 1 KR 10-2018-0022452 A1
- An object of the present invention is to provide a photocurable composition for a 3D printer for the production of patient-specific casts.
- Another object of the present invention is to provide a light-curable composition for a 3D printer that is easy to manufacture a cast suitable for a patient's body shape using 3D printing, and can control the fixing force of splints and casts.
- Another object of the present invention is to provide a patient-specific cast using a photocurable composition for a 3D printer capable of providing a necessary degree of compression by adjusting the fixing force, and capable of manufacturing a detachable cast when necessary.
- the photocurable composition for 3D printer for the manufacture of a patient-specific cast is a composition for photocuring for the manufacture of a patient-specific cast using 3D printing, represented by the following formula (1) UV cured polyurethane oligomer; Photoinitiators; Silane coupling agents; Oligomers; And a stabilizer, wherein the patient-specific cast has a tensile strength of 50 to 60 N / m 2 and a bending strength of 60 to 75 N / m 2 :
- n, m, o, p, q and r are the same as or different from each other, each independently an integer from 1 to 100,
- L 1 and L 2 are the same as or different from each other, and each independently a substituted or unsubstituted alkylene group having 1 to 200 carbon atoms, a substituted or unsubstituted arylene group having 6 to 200 carbon atoms, a substituted or unsubstituted nuclear atom number 5 A heteroarylene group of 200 to 200 and a substituted or unsubstituted cycloalkylene group of 3 to 200 carbon atoms,
- R 1 to R 8 are the same or different from each other, and each independently hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, substituted or unsubstituted 1 to 20 carbon atoms Cycloalkyl group, substituted or unsubstituted alkenyl group having 2 to 30 carbon atoms, substituted or unsubstituted alkynyl group having 2 to 24 carbon atoms, substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, substituted or unsubstituted aryl group having 6 to 30 carbon atoms , Substituted or unsubstituted heteroaryl group having 5 to 60 carbon atoms, substituted or unsubstituted heteroarylalkyl group having 6 to 30 carbon atoms, substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, substituted
- the silyl group and the substituted aryloxy group are hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 20 carbon atoms, alkenyl group having 2 to 30 carbon atoms, 2 to 24 carbon atoms Alkynyl
- the UV cured polyurethane oligomer has a weight average molecular weight of 10,000 to 1,000,000.
- the photoinitiator is a compound represented by the following formula (3):
- X 1 is S, O or N (R 11 ),
- R 9 to R 11 are the same as or different from each other, and each independently hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxyl group, substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, and substituted or unsubstituted 3 to 30 carbon atoms.
- the substituted alkyl group and the substituted cycloalkyl group are hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 20 carbon atoms, alkenyl group having 2 to 30 carbon atoms, carbon number 2 Alkynyl group of 24 to 24, aralkyl group of 7 to 30 carbon atoms, aryl group of 6 to 30 carbon atoms, heteroaryl group of 5 to 60 nuclear atoms, heteroarylalkyl group of 6 to 30 carbon atoms, alkoxy group of 1 to 30 carbon atoms, Alkylamino group having 1 to 30 carbon atoms, arylamino group having 6 to 30 carbon atoms, aralkylamino group having 6 to 30 carbon atoms, heteroarylamino group having 2 to 24 carbon atoms, alkylsilyl group having 1 to 30 carbon atoms, arylsilyl having
- the oligomer may be selected from the group consisting of epoxy acrylate oligomer, H 12 diane-bis-glycidyl ether (4,4 '-(1-Methylethylidene) biscyclohexanol, polymer with (chloromethyl) oxirane) and mixtures thereof. .
- the stabilizer may be selected from the group consisting of 2,6-di-tert-butyl-p-cresol, diethylethanolamine, trihexylamine, hindered amine, organic phosphate, hindered phenol, and mixtures thereof.
- the patient-specific cast may further form a prosthesis therein to prevent loosening of the cast and support of the affected part according to a change in the patient's affected part.
- the patient-specific cast manufactured using 3D printing according to an embodiment of the present invention may include the photocurable composition for the 3D printer.
- 3D printing of the present invention refers to a process of manufacturing a 3D object by laminating materials using 3D digital data.
- the present description mainly focuses on DLP (Disital Light Processing), SLA (Stereo Lithography Apparatus), and PolyJet methods, but may be understood as applicable to other 3D printing technologies.
- the photocurable composition of the present invention is a material that is cured by light irradiation, and refers to a polymer that is crosslinked and polymerized into a polymer network structure.
- UV light is mainly described, but is not limited to UV light, and may be applied to other light.
- Photocurable composition for a 3D printer for the production of a patient-specific cast is a composition for photocuring for the production of a patient-specific cast using 3D printing, a UV curable polyurethane oligomer represented by Formula 1 below; Photoinitiators; Silane coupling agents; Oligomers; And a stabilizer, wherein the patient-specific cast has a tensile strength of 50 to 60 N / m 2 and a bending strength of 60 to 75 N / m 2 :
- n, m, o, p, q and r are the same as or different from each other, each independently an integer from 1 to 100,
- L 1 and L 2 are the same as or different from each other, and each independently a substituted or unsubstituted alkylene group having 1 to 200 carbon atoms, a substituted or unsubstituted arylene group having 6 to 200 carbon atoms, a substituted or unsubstituted nuclear atom number 5 A heteroarylene group of 200 to 200 and a substituted or unsubstituted cycloalkylene group of 3 to 200 carbon atoms,
- R 1 to R 8 are the same or different from each other, and each independently hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, substituted or unsubstituted 1 to 20 carbon atoms Cycloalkyl group, substituted or unsubstituted alkenyl group having 2 to 30 carbon atoms, substituted or unsubstituted alkynyl group having 2 to 24 carbon atoms, substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, substituted or unsubstituted aryl group having 6 to 30 carbon atoms , Substituted or unsubstituted heteroaryl group having 5 to 60 carbon atoms, substituted or unsubstituted heteroarylalkyl group having 6 to 30 carbon atoms, substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, substituted
- the silyl group and the substituted aryloxy group are hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 20 carbon atoms, alkenyl group having 2 to 30 carbon atoms, 2 to 24 carbon atoms Alkynyl
- the UV cured polyurethane oligomer is a polymer having a weight average molecular weight of 10,000 to 1,000,000.
- the UV cured polyurethane oligomer is a compound represented by the following formula (4):
- n ', m', o ', p', q 'and r' are the same or different from each other, each independently an integer from 1 to 100,
- R 12 and R 13 are the same or different from each other, each independently consisting of an alkylsilyl group having 1 to 30 carbon atoms, an arylsilyl group having 6 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, and a cycloalkyl group having 1 to 20 carbon atoms. It is selected from the group.
- a polyurethane oligomer is a polymer compound in which a photo-curing functional group is bonded to the polyurethane oligomer, and the photo-curing functional group is a substituent represented by Chemical Formula 2.
- the UV cured polyurethane oligomer includes a polyurethane structure as a main chain, a photocurable functional group is bonded to the polyurethane structure, and a combination of the polyurethane structure and a photocurable functional period combines a soft functional group to the urethane linker.
- a linker having a hard functional group bonded to a linker and a urethane linker is used.
- the flexible properties of the soft functional group may be used together, and the hard functional group may exhibit heat resistance.
- the carbon skeleton having soft properties at room temperature can be used to exhibit a flexible effect, as well as normal temperature.
- a carbon skeleton having a hard property it can exhibit heat-resistant properties together.
- the UV cured polyurethane oligomer includes a carbon skeleton having hard properties, a 3D printing output having excellent physical properties such as thermal properties, strength, elastic modulus, and tensile elongation can be produced.
- the UV cured polyurethane oligomer includes a carbon skeleton having soft properties, even if the original shape is deformed by use, it is possible to produce a 3D printing output capable of restoring shape.
- the composition for a 3D printer can increase the physical properties of the output, including only the carbon skeleton having hard properties, in order to increase the physical properties of the 3D printing output, but, on the contrary, when the shape is deformed by use, There is a problem that the shape cannot be restored and cannot be used multiple times.
- the composition for 3D printer in the present invention is excellent in physical properties such as thermal properties, strength, elastic modulus, and tensile elongation, as it includes a carbon skeleton having hard properties and a carbon skeleton having soft properties in a UV cured polyurethane oligomer.
- the flexible properties of the soft functional group can be used together, and when the shape is deformed by use, the shape can be restored and reused.
- the physical properties in order to maintain the fixing force of the cast, the physical properties must be excellent. However, when only the physical properties are excellent, there is a problem that restoration to the original form is impossible when damage is caused by external force or the shape is deformed.
- the cast is made by a carbon skeleton having hard properties.
- the furnace exhibits physical properties for maintaining the fixing force, and at the same time, includes a carbon skeleton with soft properties, and when the shape is deformed by use, shape restoration is possible, and thermal properties, strength, elastic modulus, and Tensile elongation can be indicated.
- the present invention is to provide a light-curable composition for a 3D printer capable of adjusting the fixing force of the splints and casts, providing the necessary degree of compression, and producing a detachable cast when necessary.
- the present invention uses 3D printing, it is possible to manufacture a cast that almost matches the shape of a patient's affected area, and the shape of the affected area is deformed over time as compared to the case in which a conventional cast is manufactured.
- the shape of the cast can be adjusted, or an attachment can be formed inside the cast to prevent loosening of the cast and at the same time maintain the affected part supporting force.
- the cast is produced by separating the upper and lower parts at the time of manufacture, and at this time, a hole is formed to bond wires or the like to the adhesive surface to which the upper and lower parts are adhered, and the cast is modified by the deformation of the affected area.
- a string such as a wire
- the cast prepared by using the photo-curable composition of the present invention has a soft property, forming a hole, connecting the string, to prevent loosening of the cast, and at the same time maintain the affected part support.
- the cast prepared by using the photo-curable composition of the present invention has a soft property, forming a hole, connecting the string, to prevent loosening of the cast, and at the same time maintain the affected part support.
- it has only hard properties, and the physical properties are excellent, but it does not have soft properties, it is difficult to deform the shape when it is tightened using a string such as a wire. Can occur.
- composition for a 3D printer according to the present invention when using the composition for a 3D printer according to the present invention, it is possible to provide a patient-specific cast having excellent properties such as tensile modulus of 1500 to 2500 MPa, flexural modulus of 1000 to 3500 MPa, and tensile strength of 45 to 90 Mpa.
- the photoinitiator is a compound represented by the following formula (3):
- X 1 is S, O or N (R 11 ),
- R 9 to R 11 are the same as or different from each other, and each independently hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxyl group, substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, and substituted or unsubstituted 3 to 30 carbon atoms.
- the substituted alkyl group and the substituted cycloalkyl group are hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 20 carbon atoms, alkenyl group having 2 to 30 carbon atoms, carbon number 2 Alkynyl group of 24 to 24, aralkyl group of 7 to 30 carbon atoms, aryl group of 6 to 30 carbon atoms, heteroaryl group of 5 to 60 nuclear atoms, heteroarylalkyl group of 6 to 30 carbon atoms, alkoxy group of 1 to 30 carbon atoms, Alkylamino group having 1 to 30 carbon atoms, arylamino group having 6 to 30 carbon atoms, aralkylamino group having 6 to 30 carbon atoms, heteroarylamino group having 2 to 24 carbon atoms, alkylsilyl group having 1 to 30 carbon atoms, arylsilyl having
- the oligomer may be selected from the group consisting of epoxy acrylate oligomer, H12 diane-bis-glycidyl ether (4,4 '-(1-Methylethylidene) biscyclohexanol, polymer with (chloromethyl) oxirane) and mixtures thereof.
- the epoxy acrylate oligomer is more specifically a phenyl epoxy (meth) acrylate oligomer, a bisphenol A epoxy di (meth) acrylate oligomer, an aliphatic alkyl epoxy di (meth) acrylate oligomer, and an aliphatic alkyl epoxy tri (meth)
- One or more compounds selected from the group consisting of acrylate oligomers can be used.
- the oligomer can not only reduce the swelling phenomenon due to the organic solvent, but also improve the surface hardness, abrasion resistance, and heat resistance.
- the silane coupling agent is more specifically 3-methacryloxypropyl trimethoxysilane (3-Methacryloxypropyltrimethoxysilane), but is not limited to the above example.
- the stabilizer is selected from the group consisting of 2,6-di-tert-butyl-p-cresol, diethylethanolamine, trihexylamine, hindered amine, organic phosphate, hindered phenol, and mixtures thereof, more specifically As 2,6-di-tert-butyl-p-cresol.
- additives such as leveling agents, slip agents or stabilizers may be included.
- the photocurable composition for a 3D printer for the production of the cast includes UV cured polyurethane oligomer, and 1.5 to 15 parts by weight of photoinitiator with respect to 100 parts by weight of the UV cured polyurethane oligomer; 0.1 to 1.5 parts by weight of a silane coupling agent; Oligomer 50 to 80 parts by weight; And 0.1 to 2 parts by weight of a stabilizer.
- the silane coupling agent may improve compatibility and adhesion strength with a resin when used in surface treatment such as a pigment and a filler.
- the oligomer exceeds the use range, the surface energy is increased, and thus the mold and resin releasability is lowered, and the surface hardness is increased, and thus surface characteristics such as resilience after stamping of the mold may be lowered.
- the stabilizer when used within the use range, it is possible to reduce the peripheral hardening and increase the strength.
- oligomers represented by the following Chemical Formula 6 may be used as oligomers for enhancing physical properties:
- the oligomer represented by the formula (6) contains a hard carbon bond, and as it is included in the composition for photocuring, it is possible to increase physical properties in the production of cast.
- the manufacturing of the cast according to the present invention may use “digital cast printing apparatus using 3D information and its printing method” in Korean Patent Registration No. 10-1820674 B1.
- DLP Digital Light Processing
- the 3D output unit outputs a plurality of 3D models in a DLP (Digital Light Processing) method.
- the 3D output unit can generate the entire calibration device in a short time by outputting each 3D model at the same time or at the same time.
- the 3D output unit may output a patient-specific cast using the photocurable composition for a 3D printer of the present invention according to a user's setting.
- the 3D model generated through the digital cast printing device using 3D information is formed by using the central axis in the through direction of the cast as the x-axis.
- the 3D model 100 is formed as the first model 110 while the x-axis and the y-axis are divided into an xy plane using the first boundary surface 111 as the first boundary 110.
- the first interface 111 may be easily bonded to the interface through UV treatment, heat treatment, and the like.
- an opening / closing range 101 may be set on one side of the first model 110, and the opening / closing range 101 may be 3D printed in an empty state.
- the 3D model 300 is divided into sections and is formed as the second model 120 as the y-axis and z-axis are divided into the yz plane using the second boundary surface 121. Therefore, the production speed can be improved by separating and printing the digital cast for each section.
- the second boundary surface 121 may be made to facilitate bonding of the interface through UV light curing or heat treatment.
- an opening / closing range 301 may be set on one side of the second model 120, and the opening / closing range 101 may be 3D printed in an empty state.
- FIG. 3 is an exemplary view for explaining a prosthetic model added to the 3D model according to FIG. 3.
- a prosthesis added to the 3D model 100 may be formed.
- the prosthesis model 200 may be formed using a difference between 3D information on the patient's affected area obtained at the first time point and 3D information on the patient's affected area obtained at the second time point.
- the implant model 200 is formed to be coupled to the interior of the 3D model 100.
- protrusions 201 may be formed on the inner or outer surface of the prosthesis model 200 to maintain the gap between the existing 3D model 100 and the skin for ventilation.
- the prosthetic model 200 includes 3D information on a patient's affected area obtained at a first time point and a patient's affected area acquired at a second time point It can be formed by using the difference in 3D information for.
- the implant model 200 is formed to be coupled to the interior of the 3D model 100. Accordingly, it is possible to prevent the cast from becoming loose according to a change in the condition of the patient's affected area, and to support the affected area more firmly.
- protrusions 201 may be formed on the inner or outer surface of the prosthesis model 200 to maintain the gap between the existing 3D model 100 and the skin for ventilation.
- FIG. 5 is a hole formed symmetrically on the first boundary surface 111 of the 3D first model 110, and wires may be connected between the symmetrical holes.
- FIG. 6 shows a connection of wires where holes are formed symmetrically to the first boundary surface 111.
- FIGS. 5 and 6 a hole is formed symmetrically to the first boundary surface 111, and the loosened cast is tightened through the wire connection to maintain the fixing force.
- the present invention is to provide a light-curable composition for a 3D printer that is easy to manufacture a cast suitable for a patient's body shape using 3D printing, and is capable of adjusting the fixing force of splints and casts.
- FIG. 1 is an exemplary view of a patient-specific cast formed through a digital cast printing device using 3D information according to an embodiment of the present invention.
- FIG. 2 is an exemplary diagram for dividing a 3D model into a first model according to an embodiment of the present invention.
- FIG. 3 is an exemplary diagram for dividing a 3D model into a second model according to an embodiment of the present invention.
- FIG 4 is an exemplary view of a prosthesis model among 3D models according to an embodiment of the present invention.
- FIG 5 is an exemplary view of a model in which holes are formed in an interface among 3D models according to an embodiment of the present invention.
- FIG. 6 is an exemplary view of a model in which holes are formed in an interface among 3D models according to an embodiment of the present invention.
- the present invention is a composition for photocuring for the manufacture of a patient-specific cast using 3D printing, UV-curable polyurethane oligomer represented by the following formula (1); Photoinitiators; Silane coupling agents; Oligomers; And a stabilizer, wherein the patient-specific cast is related to a photocurable composition for a 3D printer for the production of a patient-specific cast having a tensile strength of 50 to 60 N / m 2 and a bending strength of 60 to 75 N / m 2 :
- n, m, o, p, q and r are the same as or different from each other, each independently an integer from 1 to 100,
- L 1 and L 2 are the same as or different from each other, and each independently a substituted or unsubstituted alkylene group having 1 to 200 carbon atoms, a substituted or unsubstituted arylene group having 6 to 200 carbon atoms, a substituted or unsubstituted nuclear atom number 5 A heteroarylene group of 200 to 200 and a substituted or unsubstituted cycloalkylene group of 3 to 200 carbon atoms,
- R 1 to R 8 are the same or different from each other, and each independently hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, substituted or unsubstituted 1 to 20 carbon atoms Cycloalkyl group, substituted or unsubstituted alkenyl group having 2 to 30 carbon atoms, substituted or unsubstituted alkynyl group having 2 to 24 carbon atoms, substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, substituted or unsubstituted aryl group having 6 to 30 carbon atoms , Substituted or unsubstituted heteroaryl group having 5 to 60 carbon atoms, substituted or unsubstituted heteroarylalkyl group having 6 to 30 carbon atoms, substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, substituted
- the silyl group and the substituted aryloxy group are hydrogen, deuterium, cyano group, nitro group, halogen group, hydroxy group, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 20 carbon atoms, alkenyl group having 2 to 30 carbon atoms, 2 to 24 carbon atoms Alkynyl
- UV curing polyurethane oligomer represented by the following formula (7) or formula (8); A photoinitiator represented by the following Chemical Formula 5; 3-methacryloxypropyl trimethoxysilane; Epoxy acrylate oligomer represented by the following formula (6); And 2,6-di-tert-butyl-p-cresol to prepare a photocurable polymer composition for a 3D printer.
- Oligomers and the like used in the preparation of the polymer composition were purchased and used, and the contents of the constituents are shown in Table 1 below.
- n ', m', o ', p', q 'and r' are the same as or different from each other, and are each independently an integer of 1 to 100.
- Test environment (23 ⁇ 2) °C, (50 ⁇ 5)% R.H.
- Test environment (23 ⁇ 2) °C, (50 ⁇ 5)% R.H.
- the experiment was commissioned by the Korea Polymer Testing Institute, and the specimens were provided after printing the polymer compositions of G10 to G80 in Table 1 using a 3D printer.
- the present invention relates to a composition for photocuring for a 3D printer for the manufacture of a patient-specific cast, and more specifically, as a photocurable composition for a 3D printer, through 3D information on a patient's affected area, to prepare a cast suitable for the patient's affected area
- the cast may be manufactured using a photocurable composition for a 3D printer, thereby providing excellent fixation force.
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Abstract
Description
G10 | G20 | G30 | G40 | G50 | G60 | G70 | G80 | |
화학식 7 | 100 | 100 | 100 | 100 | 100 | 100 | - | - |
화학식 8 | - | - | - | - | - | - | 100 | 100 |
광개시제 | 1 | 1.5 | 5 | 10 | 15 | 20 | 10 | 15 |
실란커플링제 | 0.05 | 0.1 | 0.5 | 1 | 1.5 | 2 | 1 | 1.5 |
올리고머 | 10 | 50 | 60 | 70 | 80 | 90 | 70 | 80 |
안정제 | 0.05 | 0.1 | 0.5 | 1 | 2 | 3 | 1 | 2 |
S10 | S20 | S30 | S40 | S50 | S60 | S70 | S80 | |
최대하중(N) | 1659.23 | 1752.34 | 1955.11 | 2224.92 | 2234.82 | 1827.21 | 2251.64 | 2244.52 |
인장강도(N/m 2) | 46.21 | 50.12 | 51.14 | 55.38 | 56.24 | 47.58 | 57.25 | 58.62 |
항복강도(N/m 2) | 46.55 | 50.10 | 50.59 | 54.28 | 55.89 | 48.21 | 56.54 | 58.42 |
연신율(%) | 35.98 | 38.10 | 38.89 | 39.85 | 40.23 | 37.12 | 40.69 | 42.34 |
탄성계수(N/m 2) | 1498.23 | 1645.54 | 1688.54 | 1721.32 | 1722.25 | 1521.54 | 1744.35 | 1746.24 |
S10 | S20 | S30 | S40 | S50 | S60 | S70 | S80 | |
최대하중(N) | 94.1 | 95.4 | 96.1 | 96.3 | 97.1 | 95.2 | 98.4 | 98.6 |
굽힘강도(N/m 2) | 48.4 | 60.1 | 64.2 | 69.3 | 70.2 | 58.1 | 72.8 | 74.2 |
변형율(%) | 10.12 | 12.98 | 12.95 | 13.04 | 13.25 | 11.75 | 14.11 | 14.52 |
탄성계수(N/m 2) | 1109.14 | 1204.72 | 1214.46 | 1215.72 | 1227.43 | 1201.58 | 1241.14 | 1282.43 |
Claims (7)
- 3D 프린팅을 이용한 환자 맞춤형 깁스의 제조를 위한 광경화용 조성물로,하기 화학식 1로 표시되는 UV 경화 폴리우레탄 올리고머;광개시제;실란 커플링제;올리고머; 및안정제를 포함하며,상기 환자 맞춤형 깁스는 인장강도 50 내지 60 N/m 2 및 굽힘강도 60 내지 75 N/m 2인환자 맞춤형 깁스의 제조를 위한 3D 프린터용 광경화형 조성물:[화학식 1][화학식 2]여기서,A 및 A'은 상기 화학식 2로 표시되는 치환기이며,n, m, o, p, q 및 r은 서로 동일하거나 상이하며, 각각 독립적으로 1 내지 100의 정수이며,L 1 및 L 2는 서로 동일하거나 상이하며, 각각 독립적으로 치환 또는 비치환된 탄소수 1 내지 200의 알킬렌기, 치환 또는 비치환된 탄소수 6 내지 200의 아릴렌기, 치환 또는 비치환된 핵원자수 5 내지 200의 헤테로아릴렌기 및 치환 또는 비치환된 탄소수 3 내지 200의 시클로알킬렌기이며,R 1 내지 R 8은 서로 동일하거나 상이하며, 각각 독립적으로 수소, 중수소, 시아노기, 니트로기, 할로겐기, 히드록시기, 치환 또는 비치환의 탄소수 1 내지 30의 알킬기, 치환 또는 비치환의 탄소수 1 내지 20개의 시클로알킬기, 치환 또는 비치환의 탄소수 2 내지 30의 알케닐기, 치환 또는 비치환의 탄소수 2 내지 24의 알키닐기, 치환 또는 비치환의 탄소수 7 내지 30의 아르알킬기, 치환 또는 비치환의 탄소수 6 내지 30의 아릴기, 치환 또는 비치환의 탄소수 5 내지 60의 헤테로아릴기, 치환 또는 비치환의 탄소수 6 내지 30의 헤테로아릴알킬기, 치환 또는 비치환의 탄소수 1 내지 30의 알콕시기, 치환 또는 비치환의 탄소수 1 내지 30의 알킬아미노기, 치환 또는 비치환의 탄소수 6 내지 30의 아릴아미노기, 치환 또는 비치환의 탄소수 6 내지 30의 아르알킬아미노기, 치환 또는 비치환의 탄소수 2 내지 24의 헤테로 아릴아미노기, 치환 또는 비치환의 탄소수 1 내지 30의 알킬실릴기, 치환 또는 비치환의 탄소수 6 내지 30의 아릴실릴기 및 치환 또는 비치환의 탄소수 6 내지 30의 아릴옥시기로 이루어진 군으로부터 선택되며,상기 치환된 알킬렌기, 치환된 아릴렌기, 치환된 헤테로아릴렌기, 치환된 시클로알킬렌기, 치환된 알킬기, 치환된 시클로알킬기, 치환된 알케닐기, 치환된 알키닐기, 치환된 아르알킬기, 치환된 아릴기, 치환된 헤테로아릴기, 치환된 헤테로아릴알킬기, 치환된 알콕시기, 치환된 알킬아미노기, 치환된 아릴아미노기, 치환된 아르알킬아미노기, 치환된 헤테로 아릴아미노기, 치환된 알킬실릴기, 치환된 아릴실릴기 및 치환된 아릴옥시기는 수소, 중수소, 시아노기, 니트로기, 할로겐기, 히드록시기, 탄소수 1 내지 30의 알킬기, 탄소수 1 내지 20개의 시클로알킬기, 탄소수 2 내지 30의 알케닐기, 탄소수 2 내지 24의 알키닐기, 탄소수 7 내지 30의 아르알킬기, 탄소수 6 내지 30의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기, 탄소수 6 내지 30의 헤테로아릴알킬기, 탄소수 1 내지 30의 알콕시기, 탄소수 1 내지 30의 알킬아미노기, 탄소수 6 내지 30의 아릴아미노기, 탄소수 6 내지 30의 아르알킬아미노기, 탄소수 2 내지 24의 헤테로 아릴아미노기, 탄소수 1 내지 30의 알킬실릴기, 탄소수 6 내지 30의 아릴실릴기 및 탄소수 6 내지 30의 아릴옥시기로 이루어진 군으로부터 선택된 1종 이상의 치환기로 치환되며, 복수 개의 치환기로 치환되는 경우 이들은 서로 동일하거나 상이하다.
- 제1항에 있어서,상기 UV 경화 폴리우레탄 올리고머는 중량 평균 분자량 10,000 내지 1,000,000인환자 맞춤형 깁스의 제조를 위한 3D 프린터용 광경화형 조성물.
- 제1항에 있어서,상기 광개시제는 하기 화학식 3으로 표시되는 화합물인환자 맞춤형 깁스의 제조를 위한 3D 프린터용 광경화형 조성물:[화학식 3]여기서,X 1은 S, O 또는 N(R 11)이며,R 9 내지 R 11은 서로 동일하거나 상이하며, 각각 독립적으로 수소, 중수소, 시아노기, 니트로기, 할로겐기, 히드록시기, 치환 또는 비치환의 탄소수 1 내지 30의 알킬기 및 치환 또는 비치환의 탄소수 3 내지 30의 시클로알킬기이며,상기 치환된 알킬기 및 치환된 시클로알킬기는 수소, 중수소, 시아노기, 니트로기, 할로겐기, 히드록시기, 탄소수 1 내지 30의 알킬기, 탄소수 1 내지 20개의 시클로알킬기, 탄소수 2 내지 30의 알케닐기, 탄소수 2 내지 24의 알키닐기, 탄소수 7 내지 30의 아르알킬기, 탄소수 6 내지 30의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기, 탄소수 6 내지 30의 헤테로아릴알킬기, 탄소수 1 내지 30의 알콕시기, 탄소수 1 내지 30의 알킬아미노기, 탄소수 6 내지 30의 아릴아미노기, 탄소수 6 내지 30의 아르알킬아미노기, 탄소수 2 내지 24의 헤테로 아릴아미노기, 탄소수 1 내지 30의 알킬실릴기, 탄소수 6 내지 30의 아릴실릴기 및 탄소수 6 내지 30의 아릴옥시기로 이루어진 군으로부터 선택된 1종 이상의 치환기로 치환되며, 복수 개의 치환기로 치환되는 경우 이들은 서로 동일하거나 상이하다.
- 제1항에 있어서,상기 올리고머는 에폭시 아크릴레이트 올리고머, H 12 다이안 -비스-글리시딜 이써(4,4'-(1-Methylethylidene)biscyclohexanol, polymer with (chloromethyl)oxirane) 및 이들의 혼합물로 이루어진 군으로부터 선택되는환자 맞춤형 깁스의 제조를 위한 3D 프린터용 광경화형 조성물.
- 제1항에 있어서,상기 안정제는 2,6-디-tert-부틸-p-크레솔, 디에틸에탄올아민, 트리헥실아민, 힌더드 아민, 유기 인산염, 힌더드 페놀 및 이들의 혼합물로 이루어진 군으로부터 선택되는환자 맞춤형 깁스의 제조를 위한 3D 프린터용 광경화형 조성물.
- 제1항에 있어서,상기 환자 맞춤형 깁스는 내부에 보형물을 추가로 형성하여,환자 환부의 상태 변화에 따라 깁스의 헐거워짐 방지 및 환부 지지력을 유지할 수 있는환자 맞춤형 깁스의 제조를 위한 3D 프린터용 광경화형 조성물.
- 제1항 내지 제6항 중 어느 한 항에 따른 3D 프린터용 광경화형 조성물을 포함하는3D 프린팅을 이용하여 제조된 환자 맞춤형 깁스.
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US17/053,311 US11845827B2 (en) | 2018-11-23 | 2019-08-13 | Photocurable composition for 3D printer for producing patient-customized cast |
JP2022143558A JP7376956B2 (ja) | 2018-11-23 | 2022-09-09 | 患者カスタムギプスの製造のための3dプリンタ用光硬化型組成物 |
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